Wiper Adjustment Locknut on firewall, 1/2" x 26 TPI Cycle

[DWW]

I am missing the bolt that secures the wind screen wiper adjuster to the bulkhead, couldn't find the info anywhere here. If anyone knows the size or has a spare one I would be grateful.

[mgcjag]

Hi Danny....look at the part number in the parts catalogue then use the bolt decoder in the knowledge base to calculate what the size/thread is....or with the part number try a Google search.....or if you can remove one just use a thread guage to see what you have..guages cheap on ebay....Steve

[DWW]

Steve....I did, there are no references plate 53, spent all morning looking, found zilch.....

[mgcjag]

Are you looking at a Jaguar parts catalogue..the one in the knowledge base ?

[DWW]

Yes definitely.

[mgcjag]

Does it give a part number?....i dont actually know what bolt your refering to but here is the parts list..bolt 8643.....screw securing wiper motor UFS.125/4R havent looked through everything...sorry photo is blurred

[DWW]

Nope! Just the drawing.

[mgcjag]

Just posted while you were typing ...see above...Steve

[1954Etype]

What bolt? There’s a thin nut but no bolt I’m aware of?

[DWW]

Sorry I did mean the thin nut, you are right. On the end of the adjuster there are these two thin nuts to secure the assembly to the firewall. I am missing the outer one.

[mgcjag]

Measure the thread then its easier to find one to fit..you may find it's the same size as on the speedo reset...Steve ps.. a quick search typically finds the answer viewtopic.php?f=3&t=15358&p=125371&hili ... ut#p125371

[DWW]

Thanks Steve….great effort…I did buy a 1/2” in the past but was the wrong tpi….

[DWW]

OK, after an extensive search found one on flee bay, in fact it is a pack of two, thanks Steve for all the help.

[rfs1957]

Danny, I’m looking for that same locking nut for the firewall wiper adjustment cable.



Can you tell me under what criteria you found it on Ebay, please ?

I forgot to measure the TPI before I poked it through, so the visible threads make it difficult to be categorical, but it’s either 1/2” x 24 TPI or alternatively 26 TPI.

Former is visibly a “Brass Thread” and second is a Cycle pitch, my hunch is it’s that.

Be nice to find a correct thin nut with the double chamfer.

Any observations / suggestions very welcome.

[rfs1957]

"Engage rummaging search-engine before operating keyboard".

The reward for hoarding odd nuts for 40+ years in a drawer marked "Cycle, various" is :



It's 1/2" x 26 TPI or Cycle Thread.

Too thick to be credible, and not plated, but it's a start.

UPDATE : Found this, with UK shipping £6.34 ........... do I need it that badly ???

https://www.stainlessmiddleton.co.uk/32 ... -nuts-thin

[DWW]

Hi. here you go:

https://www.ebay.co.uk/itm/144493822891

[rfs1957]

Well spotted.

Danny, if you could perhaps Edit your original post so the title reads

Wiper Adjustment Locknut on firewall, 1/2" x 26 TPI Cycle

then I think it will change the title on all the following replies, and make it easier for someone else to search for ?

Cheers,

Rory

[mgcjag]

Rory..this was your post on the same subject...I also posted it a few posts up in this thread...Steve viewtopic.php?f=3&t=15358&hilit=Wiper+reset+nut

[rfs1957]

Thanks .......

Same principle, Steve, but not - unfortunately - the same kind of nut, nor the same thread.